Integrated Marine Informations System - IMIS

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Measuring selectivity of feeding by estuarine copepods using image analysis combined with microscopic and Coulter counting
Tackx, M.L.M.; Zhu, L.; De Coster, W.; Billones, R.G.; Daro, M.H. (1995). Measuring selectivity of feeding by estuarine copepods using image analysis combined with microscopic and Coulter counting. ICES J. Mar. Sci./J. Cons. int. Explor. Mer 52(3-4): 419-425. https://dx.doi.org/10.1016/1054-3139(95)80057-3
Peer reviewed article  

Beschikbaar in  Auteurs | Dataset 

Trefwoorden
    Aquatic organisms > Estuarine organisms
    Behaviour > Feeding behaviour
    Feeding > Artificial feeding > Selective feeding
    Image processing
    Acartia tonsa Dana, 1849-1852 [WoRMS]; Copepoda [WoRMS]; Eurytemora affinis (Poppe, 1880) [WoRMS]
    Marien/Kust
Author keywords
    ACARTIA TONSA; ESTUARIES; EURYTEMORA AFFINIS; FEEDING SELECTIVITY; IMAGEANALYSIS

Auteurs  Top | Dataset 
  • Tackx, M.L.M., meer
  • Zhu, L.
  • De Coster, W.
  • Billones, R.G.
  • Daro, M.H., meer

Abstract
    Although estuarine zooplankters are generally believed to be detritivorous, high clearance rates by the estuarine copepods Eurytemora affinis and Acartia tonsa on natural estuarine microplankton have been reported in the literature. In order to enable detection of possible selectivity for these microplankton organisms over detritus, a method that measures clearance rates on total particulate matter is proposed. Image analysis is used to measure copepod gut contents, and combined with Coulter counter measurements of total particulate matter concentration, allows one to calculate clearance rates on the latter. The first results indicate that, in the Westerschelde estuary (SW Netherlands), both E. affinis and A. tonsa are capable of selecting dominant phytoplankton cells over the total particulate matter. The possibility of using image as a sole technique in these studies is discussed.

Dataset
  • Verspreiding van zwevende stof in het Schelde estuarium en de relatie met Mesozooplankton, meer

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